it was taped days before the newtown massacre. >>> newly real estate leased fbi documents showing the bureau considered the occupy wall street movement a potential threat and had counterterrorism agents across the country keeping watch. agents were in touch with police, businesses and universities nationwide even before demonstrators set up in new york's zucohti park last year. >>> what a wounded firefighter said to a paramedic as this terror unfolded. >>> and travelers stuck on a plane for five hours that never even left the gate. passengers fuming. why weren't they let off? why the pilot is now apologizing. >>> and usain bolt made olympic history, remember? which sports moment defines 2012? that and more, coming up. >>> but first, how mark zuckerberg himself may have gotten burned by facebook's privacy settings. we'll explain. time for citi pr. because your daughter really wants that pink castle thing. and you really don't want to pay more than you have to. only citi price rewind automatically searches for the lowest price. and if it finds one, you get refunded the difference. just